opencrypto: Improve performance to 84,000 short modular math ops/sec
by adding asynchronous operation and batched submit/retrieve of
requests/results. Rewrite manual page to make it easier to write new
code to the API. Donated by Coyote Point Systems, Inc. [Thor Lancelot
Simon]

Restructure the name cache code to eliminate most lock contention
resulting from forward lookups. [Andrew Doran]